107 lines
4.1 KiB
C
107 lines
4.1 KiB
C
/* $NetBSD: vsbus.h,v 1.13 2000/06/25 16:00:46 ragge Exp $ */
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/*
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* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* This code is derived from software contributed to Ludd by Bertram Barth.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Generic definitions for the (virtual) vsbus. contains common info
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* used by all VAXstations.
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*/
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#ifndef _VAX_VSBUS_H_
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#define _VAX_VSBUS_H_
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#include <machine/bus.h>
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#include <machine/sgmap.h>
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struct vsbus_attach_args {
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vaddr_t va_addr; /* virtual CSR address */
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paddr_t va_paddr; /* physical CSR address */
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short va_br; /* Interrupt level */
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short va_cvec; /* Interrupt vector address */
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u_char va_maskno; /* Interrupt vector in mask */
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vaddr_t va_dmaaddr; /* DMA area address */
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vsize_t va_dmasize; /* DMA area size */
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bus_space_tag_t va_iot;
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bus_dma_tag_t va_dmat;
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};
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/*
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* Some chip addresses and constants, same on all VAXstations.
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*/
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#define VS_CFGTST 0x20020000 /* config register */
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#define VS_REGS 0x20080000 /* Misc cpu internal regs */
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#define NI_ADDR 0x20090000 /* Ethernet address */
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#define DZ_CSR 0x200a0000 /* DZ11-compatible chip csr */
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#define VS_CLOCK 0x200b0000 /* clock chip address */
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#define SCA_REGS 0x200c0000 /* disk device addresses */
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#define NI_BASE 0x200e0000 /* LANCE CSRs */
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#define NI_IOSIZE (128 * VAX_NBPG) /* IO address size */
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#define KA49_SCSIMAP 0x27000000 /* KA49 SCSI SGMAP */
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/*
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* Small monochrome graphics framebuffer, present on all machines.
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*/
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#define SMADDR 0x30000000
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#define SMSIZE 0x20000 /* Actually 256k, only 128k used */
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struct vsbus_softc {
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struct device sc_dev;
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u_char *sc_intmsk; /* Mask register */
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u_char *sc_intclr; /* Clear interrupt register */
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u_char *sc_intreq; /* Interrupt request register */
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u_char sc_mask; /* Interrupts to enable after autoconf */
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vaddr_t sc_vsregs; /* Where the VS_REGS are mapped */
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vaddr_t sc_dmaaddr; /* Mass storage virtual DMA area */
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vsize_t sc_dmasize; /* Size of the DMA area */
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struct vax_bus_dma_tag sc_dmatag;
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struct vax_sgmap sc_sgmap;
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};
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struct vsbus_dma {
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SIMPLEQ_ENTRY(vsbus_dma) vd_q;
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void (*vd_go)(void *);
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void *vd_arg;
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};
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#ifdef _KERNEL
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void vsbus_dma_init(struct vsbus_softc *, unsigned ptecnt);
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u_char vsbus_setmask(int);
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void vsbus_clrintr(int);
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void vsbus_copytoproc(struct proc *, caddr_t, caddr_t, int);
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void vsbus_copyfromproc(struct proc *, caddr_t, caddr_t, int);
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void vsbus_dma_start(struct vsbus_dma *);
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void vsbus_dma_intr(void);
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#endif
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#endif /* _VAX_VSBUS_H_ */
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